1 # GCC is the default compiler on Linux.
2 SET(CMAKE_DL_LIBS "dl")
3 SET(CMAKE_SHARED_LIBRARY_C_FLAGS "-fPIC")
4 SET(CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS "-shared")
5 SET(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "-rdynamic")
6 SET(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG "-Wl,-rpath,")
7 SET(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG_SEP ":")
8 SET(CMAKE_SHARED_LIBRARY_SONAME_C_FLAG "-Wl,-soname,")
9 SET(CMAKE_SHARED_LIBRARY_SONAME_CXX_FLAG "-Wl,-soname,")
10 SET(CMAKE_SHARED_LIBRARY_SONAME_Fortran_FLAG "-Wl,-soname,")
11 SET(CMAKE_EXE_EXPORTS_C_FLAG "-Wl,--export-dynamic")
12 SET(CMAKE_EXE_EXPORTS_CXX_FLAG "-Wl,--export-dynamic")
14 # Initialize C link type selection flags. These flags are used when
15 # building a shared library, shared module, or executable that links
16 # to other libraries to select whether to use the static or shared
17 # versions of the libraries.
18 FOREACH(type SHARED_LIBRARY SHARED_MODULE EXE)
19 SET(CMAKE_${type}_LINK_STATIC_C_FLAGS "-Wl,-Bstatic")
20 SET(CMAKE_${type}_LINK_DYNAMIC_C_FLAGS "-Wl,-Bdynamic")
23 # Debian policy requires that shared libraries be installed without
24 # executable permission. Fedora policy requires that shared libraries
25 # be installed with the executable permission. Since the native tools
26 # create shared libraries with execute permission in the first place a
27 # reasonable policy seems to be to install with execute permission by
28 # default. In order to support debian packages we provide an option
29 # here. The option default is based on the current distribution, but
30 # packagers can set it explicitly on the command line.
31 IF(DEFINED CMAKE_INSTALL_SO_NO_EXE)
32 # Store the decision variable in the cache. This preserves any
33 # setting the user provides on the command line.
34 SET(CMAKE_INSTALL_SO_NO_EXE "${CMAKE_INSTALL_SO_NO_EXE}" CACHE INTERNAL
35 "Install .so files without execute permission.")
36 ELSE(DEFINED CMAKE_INSTALL_SO_NO_EXE)
37 # Store the decision variable as an internal cache entry to avoid
38 # checking the platform every time. This option is advanced enough
39 # that only package maintainers should need to adjust it. They are
40 # capable of providing a setting on the command line.
41 IF(EXISTS "/etc/debian_version")
42 SET(CMAKE_INSTALL_SO_NO_EXE 1 CACHE INTERNAL
43 "Install .so files without execute permission.")
44 ELSE(EXISTS "/etc/debian_version")
45 SET(CMAKE_INSTALL_SO_NO_EXE 0 CACHE INTERNAL
46 "Install .so files without execute permission.")
47 ENDIF(EXISTS "/etc/debian_version")
48 ENDIF(DEFINED CMAKE_INSTALL_SO_NO_EXE)
50 INCLUDE(Platform/UnixPaths)
52 # Debian has lib64 paths only for compatibility so they should not be
54 IF(EXISTS "/etc/debian_version")
55 SET_PROPERTY(GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS FALSE)
56 ENDIF(EXISTS "/etc/debian_version")